<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="../vue.js"></script>
</head>

<body>
  <div id="app">
    <h1>{{msg}}</h1>
  </div>
  <script>
    /* 设置为 false 以阻止 vue 在启动时生成生产提示 */
    Vue.config.productionTip = false
    const vm = new Vue ({
      el:"#app",
      data:{
        msg:"Hello Vue!!!",
        isHot:true
      }
    })
    console.log(vm, "vm");
    console.log(vm.$el, "vm.$el");
  </script>
</body>

</html>